Anti Thyroid Peroxidase

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Assay

Anti Thyroid Peroxidase

Key Words

aTPO, TPO

Specimen Collection

Serum (brown), Plasma (orange)

Turnaround Time

24hrs

Test Indications

Anti-TPO is used to investigate the presence of autoimmune thyroiditis (e.g. Hashimotos' thyroiditis and Grave's Disease). The measurement of thyroid antibodies in subjects with subclinical hypothyroidism helps to define the risk of developing overt hypothyroidism

Limitations/Interferences

No known common methodological interferences.

Reference Range

<35 IU/mL

Analytical Error

7.1%

Reference Change Value

25.7%

Minimum retesting interval

Repeat testing of Anti-TPO within 12  months is not usually indicated, and repeat tests within this timeframe are intervened. If you require a repeat test please contact the laboratory prior to requesting.